TV — Blog
TV — repair guides and expert tips from SATER service centre in Riga.
Showing 12 of 28
TV won't turn on — how to read the standby light and find the cause
TV won't turn on — no picture, no sound. How to read the standby light, check the power board and capacitors, and when to bring it to the service centre.
Monitor With No Image: Black Screen, No Signal, Flicker or Shutdown
Computer powers on but the monitor stays black or shows No Signal? Separate power, backlight and cable with a few tests at home.
Wrong colours on a TV: green, magenta or washed-out tint
Green or magenta tint, one colour missing, washed-out colours? How to tell a settings error from a T-Con board, ribbon cable or panel fault.
TV HDMI port not working: one or all showing No Signal
One HDMI port shows No Signal while the rest work? How to tell the cable, the source, a CEC/HDCP handshake and a dead port or board apart.
Smart TV freezing, restarting or stuck on the logo
Why a Smart TV freezes, restarts on its own or boot-loops and apps won't load — when a reset fixes it and when the eMMC memory is already dying.
Your TV has sound but a black screen — backlight failure
Sound plays but the screen is black or dim? Here is the torch test that tells a burnt-out backlight apart from a damaged panel or board.
How Modern TVs Work — LED vs OLED vs QLED Technology Explained
LED, OLED, QLED and Mini-LED technologies: how they work, how they differ, how they age and fail in real TVs.
Budget TVs (Hisense, TCL, Xiaomi) — Are They Worth Repairing?
Repairability analysis of budget Hisense, TCL, and Xiaomi TVs: typical failures, spare parts, when repair makes sense and when it's better to buy new.
Samsung vs LG vs Sony TV — Which Is Easiest and Cheapest to Repair?
Samsung, LG, and Sony compared by repairability: spare parts, typical failures, repair costs for backlight, power supply, T-Con. SATER's experience.
OLED Burn-In — Prevention, Detection, and What Can Be Done
What OLED burn-in is, how to spot early signs, prevention (Pixel Shift, Screen Saver, ABL), LG and Samsung built-in tools, and whether it can be repaired.
How to Extend Your TV's Lifespan — 10 Maintenance Tips
10 practical tips for TV maintenance: brightness settings, ventilation, surge protection, firmware updates, humidity control. For LED, OLED and QLED.
How to Set Up Your New Smart TV — Complete Guide
Step-by-step Smart TV setup guide: Wi-Fi connection, picture calibration, sound settings, HDMI ARC/CEC, app installation, Samsung/LG/Google accounts.